Answer:
2
Step-by-step explanation:
Identify the coordinates as x1, y1 and x1, y2. Solve by using the formula of slope(gradient)
Which sum or difference identity could be used to prove that cos(270º - thata) = -sin thata is an identity?
1 answer:
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It's an equilateral triangle, therefore
AB = BC = BA
We have the equation: